Investigative Psychology: Statement Analysis as tool for Deception Detection and Investigative Cycle Explain how investigative psychology plays a role in statement analysis (or how it could). How psychologists can be used to enhance interrogation techniques using statement analysis. Handbook of Behavioral Criminology pdf contains a Forensic Linguistic article and the article by Tunkle regarding Criminal Profiling has a segment on Statement Analysis. IP info comes from David Canter. He has the book Investigative Psychology: Offender Profiling and the Analysis of Criminal Action.